选择方框中合适的句子完成对话。(10分）

Mum: David, what would you like for dinner?
David: ___⑴_ _
Mum: I like fish, too. Do you like big fish or small fish?
David: ___⑵_ _
Mum: OK, I’ll buy a big one.
David: ___⑶_ _
Mum: It’s a good idea.
David: ___⑷_ _
Mum: I think we have some grapes in the fridge.
David: ___⑸_ _
Mum: OK, I will go to the supermarket now.